Bosch Trapez 5-pole connector housing in code B, black (Bosch P/N 1928405159). Trapez is the sealed five-way body Bosch uses across its motorsport pressure, temperature and combined pressure/temperature sensors.
Supplied as the housing on its own — order it when replacing a damaged connector body, or when building a loom from parts you already hold. For a first-time build, the complete kit below is usually the better buy because it includes the contacts and seals.
Coding and Colour
Bosch supplies the Trapez 5-pole body in several codes and colours. The code is a mechanical keying feature: a code B housing mates only with a code B sensor header. Where a car runs several identical 5-pin Trapez sensors, the code and the housing colour together are what keep the loom branches identifiable and non-interchangeable at assembly.
Check the code stamped on the sensor header before ordering — a code mismatch will not mate.
Technical Specification
| Property | Value |
|---|---|
| Connector family | Bosch Trapez |
| Positions | 5 |
| Code | B |
| Colour | Black |
| Component | Housing only (no contacts, no seals) |
| Sealing | Sealed system — every cavity needs a contact with wire seal, or a blind plug |
| Manufacturer | Bosch |
| Bosch P/N | 1928405159 |
Contacts and Seals
- Bosch Wire Seal Blue 0.35–1 mm² — individual wire seal, 0.35–1 mm²
Related Products
- Bosch Trapez 5 Pole Connector Kit — complete 5-pin Trapez kit (body, 4 contacts, 4 wire seals, 1 blank seal) for the combined 10 bar pressure/temperature sensor
- Bosch Kompakt 3 Pole Connector, Coding 1 — 3-pole Bosch Kompakt housing
- Bosch Wire Seal Blue 0.35–1 mm² — individual wire seal
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